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PM / OPP: opp-microvolt is not optional if regulators are set
If dev_pm_opp_set_regulators() is called for a device and its regulators are set in the OPP core, the OPP nodes for the device must contain the "opp-microvolt" property, otherwise there is something wrong and we better error out. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Reviewed-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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@ -131,8 +131,14 @@ static int opp_parse_supplies(struct dev_pm_opp *opp, struct device *dev,
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prop = of_find_property(opp->np, name, NULL);
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/* Missing property isn't a problem, but an invalid entry is */
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if (!prop)
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return 0;
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if (!prop) {
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if (!opp_table->regulator_count)
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return 0;
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dev_err(dev, "%s: opp-microvolt missing although OPP managing regulators\n",
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__func__);
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return -EINVAL;
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}
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}
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vcount = of_property_count_u32_elems(opp->np, name);
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